diff options
Diffstat (limited to '')
| -rw-r--r-- | lzlib.h | 117 |
1 files changed, 67 insertions, 50 deletions
@@ -1,5 +1,5 @@ /* Lzlib - A compression library for lzip files - Copyright (C) 2009 Antonio Diaz Diaz. + Copyright (C) 2009, 2010 Antonio Diaz Diaz. This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -12,7 +12,7 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. + along with this library. If not, see <http://www.gnu.org/licenses/>. As a special exception, you may use this file as part of a free software library without restriction. Specifically, if other files @@ -29,61 +29,78 @@ extern "C" { #endif -const char * const LZ_version_string = "0.7"; +const char * const LZ_version_string = "0.8"; -enum { min_dictionary_bits = 12, - min_dictionary_size = 1 << min_dictionary_bits, - max_dictionary_bits = 29, - max_dictionary_size = 1 << max_dictionary_bits }; - -enum LZ_errno { LZ_ok = 0, LZ_bad_argument, LZ_mem_error, LZ_sequence_error, - LZ_header_error, LZ_unexpected_eof, LZ_data_error, - LZ_library_error }; +enum LZ_Errno { LZ_ok = 0, LZ_bad_argument, LZ_mem_error, + LZ_sequence_error, LZ_header_error, LZ_unexpected_eof, + LZ_data_error, LZ_library_error }; const char * LZ_version( void ); +const char * LZ_strerror( const enum LZ_Errno lz_errno ); + +int LZ_min_dictionary_bits( void ); +int LZ_min_dictionary_size( void ); +int LZ_max_dictionary_bits( void ); +int LZ_max_dictionary_size( void ); +int LZ_min_match_len_limit( void ); +int LZ_max_match_len_limit( void ); + + +/*---------------------- Compression Functions ----------------------*/ +struct LZ_Encoder; -void * LZ_compress_open( const int dictionary_size, const int match_len_limit, - const long long member_size ); -int LZ_compress_restart_member( void * const encoder, +struct LZ_Encoder * LZ_compress_open( const int dictionary_size, + const int match_len_limit, + const long long member_size ); +int LZ_compress_close( struct LZ_Encoder * const encoder ); + +int LZ_compress_finish( struct LZ_Encoder * const encoder ); +int LZ_compress_restart_member( struct LZ_Encoder * const encoder, const long long member_size ); -int LZ_compress_close( void * const encoder ); -int LZ_compress_finish( void * const encoder ); -int LZ_compress_sync_flush( void * const encoder ); - -int LZ_compress_read( void * const encoder, uint8_t * const buffer, - const int size ); -int LZ_compress_write( void * const encoder, const uint8_t * const buffer, - const int size ); -int LZ_compress_write_size( void * const encoder ); - -enum LZ_errno LZ_compress_errno( void * const encoder ); -int LZ_compress_finished( void * const encoder ); -int LZ_compress_member_finished( void * const encoder ); - -long long LZ_compress_data_position( void * const encoder ); -long long LZ_compress_member_position( void * const encoder ); -long long LZ_compress_total_in_size( void * const encoder ); -long long LZ_compress_total_out_size( void * const encoder ); - - -void * LZ_decompress_open( void ); -int LZ_decompress_close( void * const decoder ); -int LZ_decompress_finish( void * const decoder ); - -int LZ_decompress_read( void * const decoder, uint8_t * const buffer, - const int size ); -int LZ_decompress_write( void * const decoder, const uint8_t * const buffer, - const int size ); - -enum LZ_errno LZ_decompress_errno( void * const decoder ); -int LZ_decompress_finished( void * const decoder ); - -long long LZ_decompress_data_position( void * const decoder ); -long long LZ_decompress_member_position( void * const decoder ); -long long LZ_decompress_total_in_size( void * const decoder ); -long long LZ_decompress_total_out_size( void * const decoder ); +int LZ_compress_sync_flush( struct LZ_Encoder * const encoder ); + +int LZ_compress_read( struct LZ_Encoder * const encoder, + uint8_t * const buffer, const int size ); +int LZ_compress_write( struct LZ_Encoder * const encoder, + const uint8_t * const buffer, const int size ); +int LZ_compress_write_size( struct LZ_Encoder * const encoder ); + +enum LZ_Errno LZ_compress_errno( struct LZ_Encoder * const encoder ); +int LZ_compress_finished( struct LZ_Encoder * const encoder ); +int LZ_compress_member_finished( struct LZ_Encoder * const encoder ); + +long long LZ_compress_data_position( struct LZ_Encoder * const encoder ); +long long LZ_compress_member_position( struct LZ_Encoder * const encoder ); +long long LZ_compress_total_in_size( struct LZ_Encoder * const encoder ); +long long LZ_compress_total_out_size( struct LZ_Encoder * const encoder ); + + +/*--------------------- Decompression Functions ---------------------*/ + +struct LZ_Decoder; + +struct LZ_Decoder * LZ_decompress_open( void ); +int LZ_decompress_close( struct LZ_Decoder * const decoder ); + +int LZ_decompress_finish( struct LZ_Decoder * const decoder ); +int LZ_decompress_reset( struct LZ_Decoder * const decoder ); +int LZ_decompress_sync_to_member( struct LZ_Decoder * const decoder ); + +int LZ_decompress_read( struct LZ_Decoder * const decoder, + uint8_t * const buffer, const int size ); +int LZ_decompress_write( struct LZ_Decoder * const decoder, + const uint8_t * const buffer, const int size ); +int LZ_decompress_write_size( struct LZ_Decoder * const decoder ); + +enum LZ_Errno LZ_decompress_errno( struct LZ_Decoder * const decoder ); +int LZ_decompress_finished( struct LZ_Decoder * const decoder ); + +long long LZ_decompress_data_position( struct LZ_Decoder * const decoder ); +long long LZ_decompress_member_position( struct LZ_Decoder * const decoder ); +long long LZ_decompress_total_in_size( struct LZ_Decoder * const decoder ); +long long LZ_decompress_total_out_size( struct LZ_Decoder * const decoder ); #ifdef __cplusplus } |